Norman, Okla. ? Oklahoma handed Kansas University’s baseball team an extra-inning loss by scoring four runs in the ninth inning and one in the 10th to defeat the Jayhawks, 7-6, in 10 innings on Thursday.

The Jayhawks led the Sooners, 6-2, going into the bottom of the ninth before Oklahoma strung together five hits and capitalized on a KU error to send the game to extras.

Jacob Evans wasted little time winning it for the Sooners, hitting a leadoff homer off of Stephen Villines in the 10th.

Kansas received one of its best outings from a starting pitcher all season with Ben Krauth limiting the Sooners to two runs on seven hits over 7 2/3 innings. The Sooners went on to rough up Villines, though, as he was tagged for five runs in 1 1/3 innings.

Michael Tinsley boosted his batting average to .356 in the loss after going 3-for-5 with three RBIs. Connor McKay, Joven Afenir and Matt McLaughlin added two hits each.

KU (11-18 overall, 1-3 Big 12) will take on Oklahoma at 6 p.m. today for Game 2 of the three-game series.

Kansas 300 002 001 0 — 6 12 1

Oklahoma 200 000 004 1 — 7 14 4

W — Jacob Evans (4-0). L — Stephen Villines (1-2).

2B — Michael Tinsley, KU; Craig Aikin, Anthony Hermelyn, OU. 3B — Colby Wright, KU. HR — Jacob Evans, OU.

KU highlights: Ben Krauth 7.2 IP, 7 H, 2 ER, 4 K, 2 BB; Michael Tinsley 3-for-5, 3 RBI; Connor McKay 2-for-6, 2 runs, RBI; Matt McLaughlin 2-for-3, 2 BB, run; Joven Afenir 2-for-5.